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import module from string variable

...st=['']) then i will refer to matplotlib.text. In Python 2.7 and Python 3.1 or later, you can use importlib: import importlib i = importlib.import_module("matplotlib.text") Some notes If you're trying to import something from a sub-folder e.g. ./feature/email.py, the code will look like imp...
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Type hinting a collection of a specified type

Using Python 3's function annotations, it is possible to specify the type of items contained within a homogeneous list (or other collection) for the purpose of type hinting in PyCharm and other IDEs? ...
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What do (lambda) function closures capture?

... 163 Your second question has been answered, but as for your first: what does the closure capture...
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Can you do greater than comparison on a date in a Rails 3 search?

I have this search in Rails 3: 4 Answers 4 ...
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Difference between & and && in Java? [duplicate]

... 389 & is bitwise. && is logical. & evaluates both sides of the operation. &&a...
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Access lapply index names inside FUN

...uments to the function, so the following works: x <- list(a=11,b=12,c=13) # Changed to list to address concerns in commments lapply(seq_along(x), function(y, n, i) { paste(n[[i]], y[[i]]) }, y=x, n=names(x)) Here I use lapply over the indices of x, but also pass in x and the names of x. As you...
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In CMake, how can I test if the compiler is Clang?

...also work correctly if a compiler wrapper like ccache is used. As of CMake 3.0.0 the CMAKE_<LANG>_COMPILER_ID value for Apple-provided Clang is now AppleClang. To test for both the Apple-provided Clang and the regular Clang use the following if condition: if (CMAKE_CXX_COMPILER_ID MATCHES "Cla...
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MAMP Pro 3.05 on Mavericks updated to Yosemite - Apache does not start

I have been running MAMP Pro 3.05 successfully in Yosemite up to DP4 on a partition that was a clean install of Yosemite. 1...
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String formatting named parameters?

... In Python 2.6+ and Python 3, you might choose to use the newer string formatting method. print('<a href="{0}">{0}</a>'.format(my_url)) which saves you from repeating the argument, or print('<a href="{url}">{url}</a>'.format...
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How to initialize all members of an array to the same value in Swift?

...ue like this: With old Swift version: var threeDoubles = [Double](count: 3, repeatedValue: 0.0) Since Swift 3.0: var threeDoubles = [Double](repeating: 0.0, count: 3) which would give: [0.0, 0.0, 0.0] share ...